Bare, uncoated concrete can cause water quality issues due to high alkalinity and difficulty in cleaning surfaces for zoos, aquariums, and fish hatcheries. Madewell's unreinforced polymer lining systems prevent these water quality issues by providing a smooth, nontoxic, and easy to clean surface. Mainstay ML-72 or ML-72F Sprayable Microsilica Mortar is used to smooth rough, deteriorated concrete on older structures. Mortar is not required if the structure is new or has not experienced deterioration. Instead, Madewell 1312P Trowelable or 1312P Sprayable Epoxy Surfacer & Void Filler may be used to fill bugholes and voids prior to coating application.

Benefits of Madewell's Unreinforced Lining Systems:

  • Provide an attractive, durable, nontoxic, and easy to clean surface

  • Can be used to smooth or restore rough or deteriorated concrete

  • Perform well in subterranean structures or structures subject to high water tables and hydrostatic pressures

Madewell Microsilica Mortar Unreinforced Lining System

The Madewell Microsilica Mortar Unreinforced Lining System is designed to restore deteriorated or rough concrete surfaces and incorporates the following products:Microsilica mortar thin film system for use on zoo and aquarium structures

  1. Madewell 1450 Aliphatic Polyurethane Coating, Madewell 1550 Fluorinated Polyurethane Coating, or both, depending on the application.*

  2. Madewell 1312S 100% Solids Epoxy Coating at 10-20 mils in one or two coats or Mainstay DS-5-S Medium Build 100% Epoxy Coating at 20-50 mils in one or two coats.

  3. Madewell 927 Penetrating Epoxy Primer & Sealer

  4. Mainstay ML-72 Sprayable Microsilica Restoration Mortar at 1/2" to 2" thick or Mainstay ML-72F Sprayable Microsilica Mortar at 1/8" to 1/2" thick, depending on the application. NOTE: Mainstay ML-72 or ML-72F in combination with Madewell 1114 Water Based Primer/Admixture may be used if polymer modification is necessary or desired.

Madewell Thin Film Unreinforced Lining System

The Madewell Thin Film Unreinforced Lining System is designed to fill voids and bugholes in concrete and incorporates the following products:

Thin film system for use on zoo and aquarium concrete structures

  1. Madewell 1450 Aliphatic Polyurethane Coating, Madewell 1550 Fluorinated Polyurethane Coating, or both, depending on the application.*

  2. Madewell 1312S 100% Solids Epoxy Coating at 10-20 mils in one or two coats or Mainstay DS-5-S Medium Build 100% Epoxy Coating at 20-50 mils in one or two coats.

  3. Madewell 1312P Sprayable Epoxy Surfacer & Void Filler for applications where a thin coat of epoxy is sufficient to fill bugholes and voids in concrete or Madewell 1312P Trowelable Epoxy Surfacer & Void FIller for applications where a thicker coat of epoxy is necessary to smooth rough concrete surfaces.

  4. Madewell 927 Penetrating Epoxy Primer & Sealer

*Color stability and gloss of Madewell 1450 would be extended by the use of a clear coat of 1550 or in cases where chlorine is used for disinfection. Pigmented versions of Madewell 1550 do not perform well when exposed to both chlorine and strong ultraviolet light. For service conditions where both chlorine and strong ultraviolet light are present, a clear (unpigmented) coat of Madewell 1550 provides optimal performance.